code: def add_prefix_each_line(prefix, str):
      lines = [f"{prefix}{line}" for line in str.split("\n")]
      return "\n".join(lines)
  
file_path: CrypTen/scripts/aws_launcher.py
imports: import concurrent.futures
  import configparser
  import os
  import sys
  import time
  import uuid
  import warnings
  from argparse import ArgumentParser, REMAINDER
  from pathlib import Path
  import boto3
  import paramiko
label_desc: Use image node_id 3 for calling a global function with example usage: add_prefix_each_line(prefix, str) and returns: str